Compare/Solar Pro 2 (Preview) (Non-reasoning) vs GPT-5.4 mini (Non-Reasoning)

Solar Pro 2 (Preview) (Non-reasoning)vsGPT-5.4 mini (Non-Reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Upstage

Solar Pro 2 (Preview) (Non-reasoning)

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

GPT-5.4 mini (Non-Reasoning)

Input
$0.75/M
Output
$4.5/M
Speed
202 tok/s
TTFT
0.45s

Winner by Category

Cheaper
Solar Pro 2 (Preview) (Non-reasoning)
Faster (tok/s)
GPT-5.4 mini (Non-Reasoning)
Lower Latency
Solar Pro 2 (Preview) (Non-reasoning)
Benchmarks (3-7)
GPT-5.4 mini (Non-Reasoning)

Pricing Comparison

MetricSolar Pro 2 (Preview) (Non-reasoning)GPT-5.4 mini (Non-Reasoning)
Input ($/M tokens)$0$0.75
Output ($/M tokens)$0$4.5
Cost for 1M input + 100K output tokens:
Solar Pro 2 (Preview) (Non-reasoning)$0.00
GPT-5.4 mini (Non-Reasoning)$1.20

Speed Comparison

Output Speed (tokens/s) — higher is better
Solar Pro 2 (Preview) (Non-reasoning)
GPT-5.4 mini (Non-Reasoning)
202 tok/s
Time to First Token (seconds) — lower is better
Solar Pro 2 (Preview) (Non-reasoning)
GPT-5.4 mini (Non-Reasoning)
0.45s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
16.023.3
Coding Index
25.3
Math Index
GPQA Diamond
54.4%60.6%
MMLU-Pro
72.5%
LiveCodeBench
38.5%
AIME 2025
MATH-500
87.1%
Humanity's Last Exam
3.8%5.7%
SciCode
27.2%39.6%
IFBench
38.8%
TerminalBench
18.2%
Solar Pro 2 (Preview) (Non-reasoning)3 wins
7 winsGPT-5.4 mini (Non-Reasoning)

Frequently Asked Questions

Which is cheaper, Solar Pro 2 (Preview) (Non-reasoning) or GPT-5.4 mini (Non-Reasoning)?

Solar Pro 2 (Preview) (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $1.69/M for GPT-5.4 mini (Non-Reasoning).

Which model performs better on benchmarks?

GPT-5.4 mini (Non-Reasoning) wins 7 out of 12 benchmarks compared to 3 for Solar Pro 2 (Preview) (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (Non-Reasoning) generates tokens faster at 202 tok/s vs 0 tok/s. Solar Pro 2 (Preview) (Non-reasoning) also has lower time-to-first-token (0.00s vs 0.45s).

When should I use Solar Pro 2 (Preview) (Non-reasoning) vs GPT-5.4 mini (Non-Reasoning)?

Choose based on your priorities: Solar Pro 2 (Preview) (Non-reasoning) for lower cost, GPT-5.4 mini (Non-Reasoning) for stronger benchmark performance, and GPT-5.4 mini (Non-Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.